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Add Null/Empty check for param in average method (#4185)

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This commit is contained in:
Anirudh Pathak
2023-05-10 17:30:41 +01:00
committed by GitHub
parent 122f5e5556
commit de2696d0c5
1 changed files with 6 additions and 0 deletions
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6
src/main/java/com/thealgorithms/maths/Average.java
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@ -12,6 +12,9 @@ public class Average {
* @return mean of given numbers * @return mean of given numbers
*/ */
public static double average(double[] numbers) { public static double average(double[] numbers) {
if (numbers == null || numbers.length == 0) {
throw new IllegalArgumentException("Numbers array cannot be empty or null");
}
double sum = 0; double sum = 0;
for (double number : numbers) { for (double number : numbers) {
sum += number; sum += number;
@ -27,6 +30,9 @@ public class Average {
* @return average value * @return average value
*/ */
public static int average(int[] numbers) { public static int average(int[] numbers) {
if (numbers == null || numbers.length == 0) {
throw new IllegalArgumentException("Numbers array cannot be empty or null");
}
long sum = 0; long sum = 0;
for (int number : numbers) { for (int number : numbers) {
sum += number; sum += number;